# WeAct Studio releases V2 Logic Analyzer based on CH32H417 MCU

> **Key takeaway:** A low-cost $10 USB 3.0 logic analyzer board featuring 16 channels and 200 MHz bandwidth using the WCH CH32H417 microcontroller.

**Published:** 2026-11-12T14:44:23+00:00 
**Source:** Adafruit Electronics 
**Category:** open-hardware 
**Canonical URL:** https://fosswire.org/news/weact-studio-releases-v2-logic-analyzer-based-on-ch32h417-mc.html 

## Summary
WeAct Studio has introduced the Logic Analyzer V2, a compact hardware tool designed for embedded systems debugging. The board is built around the WCH CH32H417 microcontroller and provides 16 channels of digital signal capture with a bandwidth of up to 200 MHz via a USB 3.0 interface.

The device features a multi-application flash architecture that allows users to toggle between three distinct modes: a dedicated logic analyzer, a USB-serial/CMSIS-DAP debug probe, and a user-defined firmware slot. While the hardware is highly capable for its price point, the logic analyzer and DAP firmware are currently distributed as closed-source binaries.

## Hardware architecture and software support
- **Microcontroller and I/O:** Utilizes the WCH CH32H417 SoC to manage 16 logic analyzer channels and high-speed USB 3.0 data transfers.
- **Multi-mode Firmware:** Features three separate application slots in flash memory, selectable via a physical button on the board to switch between logic analysis, CMSIS-DAP debugging, and custom user code.
- **Capture Software:** Uses U3LogicAnalyzer, which is a fork of the Sigrok/PulseView project specifically for Windows and Linux environments.
- **Development Tools:** Includes the CH32H417_LogicAnalyzer_Upgrade utility for firmware maintenance and WeActStudio.DAPFlasher for programming Arm Cortex-M targets.
- **Open Source Status:** While the GitHub repository provides documentation and source code for user-side applications (using MounRiver IDE), the core logic analyzer and DAP firmware remain closed-source.

## Why it matters
This device provides an extremely affordable entry point for hardware engineers and hobbyists working with embedded Linux or RTOS development. Although the core firmware is closed, the inclusion of a CMSIS-DAP mode and a custom firmware slot supports broader open-source hardware workflows and ARM-based debugging.